Postal Codes

66451 ZIP Code

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ZIP code 66451 covers Lyndon, Kansas, with a population of about 1,809 and a median household income of $77,708.

Population
1,80923 per square mile
Median age
38.8about the US average
Median household income
$77,7081.1× the Kansas median
Poverty rate
11.4%1 points below the US average
Typical home value
$215,082up 37.9% in five years
Median rent
$68633% below the Kansas median
Degree or higher
24.3%10.7 points below the US average
Homeownership
85.6%20.6 points above the US average
Time zone
Central UTC-06:00observes daylight saving time
Businesses
42

Where 66451 is

Lyndon, Kansas — the area the Census Bureau draws for this ZIP code. ZIP codes are sets of delivery routes rather than areas, so this is the Census approximation of one, not a Postal Service boundary.

People and households

American Community Survey 2019–2023 five-year estimates

Population1,809
Median age38.8
Family households74.7%
Born outside the US0.1%
Speaks a language other than English at home3.2%
White (non-Hispanic)90.2%
Black (non-Hispanic)2.7%
Asian (non-Hispanic)0.1%
Hispanic or Latino5.7%
Veterans8.4%
Population by age
MaleFemale0-45-910-1415-1920-2425-3435-4445-5455-6465-7475-8485+
Income and poverty

American Community Survey 2019–2023 five-year estimates

Median household income$77,708
Income per person$35,663
Poverty rate11.4%
Households on SNAP or cash assistance11%

Household income distribution

Under $10k1.7%
$10–15k0.6%
$15–20k0.8%
$20–25k7.6%
$25–30k4.5%
$30–35k0.9%
$35–40k1.9%
$40–45k2.8%
$45–50k2.8%
$50–60k7.8%
$60–75k14.6%
$75–100k22.4%
$100–125k6.8%
$125–150k7.0%
$150–200k9.2%
$200k or more8.7%

Income as declared to the IRS

Filed returns rather than survey responses, so this counts tax units and not households.

Tax returns filed810
Mean adjusted gross income$69,106
Returns declaring $200,000 or more3.7%
Returns, under $25k25.9%
Returns, $25k–$50k24.7%
Returns, $50k–$75k18.5%
Returns, $75k–$100k11.1%
Returns, $100k–$200k16.0%
Returns, $200k or more3.7%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$155,700
Median gross rent$686
Rent as a share of household income31.8%
Owner-occupied85.6%
Vacant homes13.7%
Median year built1964

What the homes are

Detached house88.2%
2 to 4 units5.6%
5 to 19 units0.4%
Mobile home5.8%
Home values and rents today

Zillow Home Value Index and Zillow Observed Rent Index, courtesy of Zillow. Monthly and current, where the Census figures above are a five-year average and are capped at $2,000,000.

Typical home value$215,082as of 2026-07
Typical home value, 1 yearup 4.4%
Typical home value, 5 yearsup 37.9%
Typical home value, 10 yearsup 111.9%
Typical home value since 2000
201220192026$215,082$85,020

$85,020 in 2012 to $215,082 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate0.9%
Bachelor's degree or higher24.3%
High school diploma or higher96%
Works from home7.7%
Drives to work alone74.4%
Takes public transport0%
Commutes 45 minutes or more17.7%
Health

CDC PLACES 2025 release, model-based estimates. These are modelled small-area estimates for adults, not counts of diagnosed cases.

Obesity41.3% 7.9 pts above the national average of 33.4%
Diagnosed diabetes11.7% same as the national average of 12%
Currently smokes16% 2.8 pts above the national average of 13.2%
High blood pressure37.5% 3.4 pts above the national average of 34.1%
Fair or poor general health18.5% 1.8 pts below the national average of 20.3%
No health insurance (18–64)7.9% 3.4 pts below the national average of 11.3%
Depression21.6% same as the national average of 21.9%
No leisure-time physical activity26.8% 1.4 pts above the national average of 25.4%
Arthritis30.1% 5 pts above the national average of 25.1%
Binge drinking16.2% same as the national average of 16%
Taking blood pressure medication79.5% 4.8 pts above the national average of 74.7%
Cancer (non-skin)9.5% 1.8 pts above the national average of 7.7%
Current asthma10.3% same as the national average of 10.4%
Coronary heart disease7.3% 1.1 pts above the national average of 6.2%
Routine check-up in past year77.6% 0.9 pts above the national average of 76.7%
Cholesterol screening85.2% 0.7 pts below the national average of 85.9%
Cognitive disability14.8% same as the national average of 14.8%
Colorectal screening67% 2.7 pts above the national average of 64.3%
COPD7.9% 1.3 pts above the national average of 6.6%
Visited a dentist64.4% 3.1 pts above the national average of 61.3%
Any disability33.3% 2.6 pts above the national average of 30.7%
Lacks emotional support20.4% 4.4 pts below the national average of 24.8%
Food insecurity11.2% 5.9 pts below the national average of 17.1%
Received food stamps6.6% 7.7 pts below the national average of 14.3%
Hearing disability8.4% 1.7 pts above the national average of 6.7%
High cholesterol39% 2.8 pts above the national average of 36.2%
Housing insecurity9.5% 4.3 pts below the national average of 13.8%
Independent living disability7.9% 0.5 pts below the national average of 8.4%
Lacks transport6.3% 2.9 pts below the national average of 9.2%
Loneliness28.7% 5.7 pts below the national average of 34.4%
Mammography use73.5% 2.4 pts below the national average of 75.9%
Poor mental health (14+ days)16.6% same as the national average of 16.8%
Mobility disability14.7% 0.7 pts above the national average of 14%
Poor physical health (14+ days)13.2% same as the national average of 13.5%
Self-care disability3.6% same as the national average of 4%
Utility shut-off threat7.3% 1.5 pts below the national average of 8.8%
Sleeps under 7 hours30.7% 5.7 pts below the national average of 36.4%
Stroke3.5% same as the national average of 3.4%
All natural teeth lost12.8% same as the national average of 13%
Vision disability4.3% 1.3 pts below the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments42
People employed293
Annual payroll$10,754,000
Natural hazard risk

FEMA National Risk Index, estimated for this ZIP code from census tract data — the NRI is not published per ZIP.

Overall riskHigher than 79% of US census tracts
FEMA ratingRelatively Moderate to Relatively High across the 2 census tracts this ZIP code covers
Expected annual loss77.1 out of 100
Community resilience47 out of 100

By hazard

Score is out of 100 and is the area-weighted average across the census tracts this ZIP code covers. The rating beside it is the highest any one of those tracts carries.

Ice storm99.8Very High at its worst in this ZIP code
Lightning98.9Very High at its worst in this ZIP code
Winter weather97.5Very High at its worst in this ZIP code
Strong wind95.6Very High at its worst in this ZIP code
Hail95.4Relatively High at its worst in this ZIP code
Wildfire94.5Relatively Moderate at its worst in this ZIP code
Drought93.9Relatively Moderate at its worst in this ZIP code
Tornado88.3Relatively High at its worst in this ZIP code
Landslide87.2Relatively Low at its worst in this ZIP code
Heat wave83.8Relatively High at its worst in this ZIP code
Cold wave75.1Relatively High at its worst in this ZIP code
River flooding66.1Relatively Moderate at its worst in this ZIP code
Earthquake32.2Very Low at its worst in this ZIP code
Compared with Kansas and the United States

State and national columns are figures for those areas, not for this ZIP code. American Community Survey 2019–2023 five-year estimates

This ZIPKansasUnited States
Median household income$77,708$72,639$78,538
Income per person$35,663$39,638$43,289
Poverty rate11.4%11.5%12.4%
Median home value$155,700$203,400$303,400
Median gross rent$686$1,029$1,348
Homeownership85.6%66.9%65%
Bachelor's degree or higher24.3%35.2%35%
Unemployment rate0.9%3.9%5.2%
Works from home7.7%10.7%13.5%
Born outside the US0.1%7.2%13.9%
Median age38.837.238.7
Climate

NOAA US Climate Normals 1991-2020, from the nearest weather station with a full year of records. The station and its distance are named above, because a station forty kilometres away describes somewhere else.

Weather stationPOMONA LAKE, KS US10 km away
Rain in a year39 in

Average high and low by month

January40.8°F / 21.5°F1 in rain
February46°F / 24°F1.68 in rain
March56.8°F / 33.9°F2.27 in rain
April67.1°F / 43.5°F3.79 in rain
May75.9°F / 55.4°F5.49 in rain
June85.5°F / 65.3°F5.37 in rain
July90.5°F / 69.6°F3.89 in rain
August89.4°F / 67.5°F4.06 in rain
September81.6°F / 58.5°F3.96 in rain
October69.6°F / 46.3°F3.19 in rain
November55.9°F / 34.6°F2.3 in rain
December44.4°F / 25.5°F1.61 in rain
Access to food

USDA Food Access Research Atlas, estimated for this ZIP code from census tract data. Each figure is the share of the ZIP code's land area that falls in a tract carrying that flag.

Low income and far from a supermarketNone of this ZIP code
Far from a supermarketNone of this ZIP code
No vehicle and far from a supermarketNone of this ZIP code
School districts

NCES Geographic Relationship File 2025, which states the association between each district and each ZIP code tabulation area directly. Elementary and secondary districts can cover the same ground, so shares need not total 100%.

This ZIP code is served by 2 school districts, so the address decides which one, not the ZIP code.

Lyndon Unified School District 42189.9% of this ZIP code's land area
Marais des Cygnes Valley Unified School District 4569.3% of this ZIP code's land area
Community and walkability

CDC/ATSDR Social Vulnerability Index 2022 and the EPA National Walkability Index, both estimated for this ZIP code from census tract data. Vulnerability figures are national percentile ranks, not measurements.

Overall social vulnerability30more vulnerable than 30% of US census tracts
Socioeconomic status30more vulnerable than 30% of US census tracts
Household characteristics42more vulnerable than 42% of US census tracts
Racial and ethnic minority status11more vulnerable than 11% of US census tracts
Housing type and transport41more vulnerable than 41% of US census tracts
Walkability4.8 out of 20Least walkable
Nearby ZIP codes

The closest ZIP codes by centre point, which is not the same as sharing a border.

66543 Vassar, KS6.9 km away
66523 Osage City, KS13.1 km away
66528 Quenemo, KS14 km away
66510 Melvern, KS15.4 km away
66537 Scranton, KS17.9 km away
66413 Burlingame, KS19.9 km away
66076 Pomona, KS20.2 km away
66524 Overbrook, KS20.2 km away
Location, counties and time zone

County shares from Census 2020 ZCTA relationship files. Time zone from the USDOT National Transportation Atlas, which renders the boundaries written into 49 CFR Part 71.

Osage County100% of this ZIP code's land area
Time zoneCentral (UTC-06:00 standard)
Daylight saving timeObserved
Land area78.19 sq mi
Water area3.87 sq mi
Population density23 people per sq mi
Latitude, longitude38.6356, -95.6802

Figures are published for this ZIP code or its Census tabulation area unless a section says otherwise. Estimates whose margin of error made them unreliable are omitted rather than shown. Sources: US Census Bureau, CDC, IRS.

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